短語(yǔ)詞組短語(yǔ)liquid -helium temperature region 液氦溫區(qū)standard liquid -Helium noise source 液氦標(biāo)準(zhǔn)噪聲源liquid helium three 液氦liquid helium region 液氦溫區(qū)Liquid helium cryocondensation pump 液氦低溫冷凝泵liquid helium film 液氦薄膜liquid helium storage vessel 液氦存儲(chǔ)器liquid helium -cooled 液氦致冷的 返回 liquid helium